IP2U3 Exercise 1 Q17
IP2U3 Exercise 1 Q17
- Simplify \({{\left( a-1 \right)}^{2}}+3-{{a}^{2}}\).
- Hence, evaluate \({{\left( 201-1 \right)}^{2}}+3-{{201}^{2}}\) without the use of a calculator.
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Answer:(a) \(-2a+4\) (b) \(-398\)
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